Does it often snow in Korea?

No.

South Korea has four distinct seasons, with spring and autumn being shorter; summers are hot and humid; winters are cold, dry and sometimes snowy. The northern part has a temperate monsoon climate, and the southern part has a subtropical climate with significant maritime characteristics. Winters are long and cold, summers are hot and humid, and spring and autumn are quite short.

South Korea has a temperate monsoon climate, with an average annual temperature of 13°C to 14°C and an average annual precipitation of about 1,300 to 1,500 mm.

Extended information:

The longest rivers in South Korea are the Nakdong River and the Han River, which are the two main rivers in the southern part of the peninsula. The Nakdong River is 525 kilometers long and flows into the East Sea; the Han River is 514 kilometers long and flows into the Yellow Sea. They are important water systems in the central region.

Other rivers include: Geumgang River, Seomjin River, Imjin River, etc. There are few lakes in South Korea. The largest natural lake is Baekludam located in the crater of the Halla Mountain Peak in Jeju Island. It is 1,850 meters above sea level. The diameter of the lake is about 300 meters, the circumference is 1 kilometer, and the depth is about 6 meters. The largest artificial lake is Soyang Lake, located 13 kilometers northeast of Chuncheon City, Gangwon Province. It was built in 1973 and covers an area of ??69.3 million square meters. In addition, there are some smaller lakes, such as Kaqiao Lake, Mujin Lake, etc.